powerpc TLS in PIEs
This patch removes unnecessary GOT IE TLS relocations in PIEs. Useful with --no-tls-optimize, or with an enormous TLS segment. With the default --tls-optimize in effect IE code sequences will be edited to LE under the same circumstances we can remove the GOT reloc. * elf32-ppc.c (got_entries_needed, got_relocs_needed): New functions. (allocate_dynrelocs, ppc_elf_size_dynamic_sections): Use them here. (ppc_elf_relocate_section): Don't output a dynamic relocation for IE GOT entries in an executable. * elf64-ppc.c (allocate_got): Trim unnecessary TPREL relocs. (ppc64_elf_size_dynamic_sections): Likewise. (ppc64_elf_relocate_section): Likewise.
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